U008F

Vehicle Communication Bus G (-) Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–56 (est.)

Symptoms

Check Engine light comes on
Incorrect operation of the vehicle's electronic systems
Lost connection with some modules
Possible problems starting the engine
Reduced engine performance

Causes

Open or short circuit in the communication bus circuit
Poor contact in connectors
Fault in one of the modules connected to the bus
Wiring harness damage
Problems with module power supply

How to Fix

Check the integrity of the communication bus wiring
Inspect and clean all connectors
Check power supply of modules
Scan all modules for errors
Replace damaged components if necessary

Related codes

U008E U0090 U0100